code: def get_gitignore(root: Path) -> PathSpec:
      """Return a PathSpec matching gitignore content if present."""
      gitignore = root / ".gitignore"
      lines: List[str] = []
      if gitignore.is_file():
          with gitignore.open(encoding="utf-8") as gf:
              lines = gf.readlines()
      try:
          return PathSpec.from_lines("gitwildmatch", lines)
      except GitWildMatchPatternError as e:
          err(f"Could not parse {gitignore}: {e}")
          raise
  
imports: import io
  import os
  import sys
  from functools import lru_cache
  from pathlib import Path
  from typing import TYPE_CHECKING, Any, Dict, Iterable, Iterator, List, Optional, Pattern, Sequence, Tuple, Union
  from mypy_extensions import mypyc_attr
  from packaging.specifiers import InvalidSpecifier, Specifier, SpecifierSet
  from packaging.version import InvalidVersion, Version
  from pathspec import PathSpec
  from pathspec.patterns.gitwildmatch import GitWildMatchPatternError
  from black.handle_ipynb_magics import jupyter_dependencies_are_installed
  from black.mode import TargetVersion
  from black.output import err
  from black.report import Report
label_desc: Use image node_id 9 for calling a global function with example usage: get_gitignore(root) and returns: PathSpec